diff --git a/tests/qemu-iotests/016 b/tests/qemu-iotests/016
index 16f151f29d76ceef621a584782f0b9c8b81d73e9..a1467b8a3c2bb150446275e342e9f32f0b63bd47 100755
--- a/tests/qemu-iotests/016
+++ b/tests/qemu-iotests/016
@@ -38,9 +38,8 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 . ./common.rc
 . ./common.filter
 
-# currently raw is the only protocol we support
 _supported_fmt raw
-_supported_proto generic
+_supported_proto file sheepdog
 _supported_os Linux